[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

pycrdt_websocket/yroom.py

@@ -14,7 +14,6 @@
     create_task_group,
 )
 from anyio.abc import TaskGroup, TaskStatus
-from anyio.streams.memory import MemoryObjectReceiveStream, MemoryObjectSendStream
 from pycrdt import Doc, Subscription
 
 from .awareness import Awareness
@@ -59,20 +58,20 @@ def __init__(
             returns True if the exception was handled.
             log: An optional logger.
         """
-        self.ydoc : Doc = Doc()
+        self.ydoc: Doc = Doc()
         self.awareness = Awareness(self.ydoc)
-        self.ready_event : Event = Event()
+        self.ready_event: Event = Event()
         self.ready = ready
-        self.ystore : BaseYStore | None = ystore
+        self.ystore: BaseYStore | None = ystore
         self.log = log or getLogger(__name__)
-        self.clients : list = []
-        self._on_message : Callable[[bytes], Awaitable[bool] | bool] | None = None
+        self.clients: list = []
+        self._on_message: Callable[[bytes], Awaitable[bool] | bool] | None = None
         self.exception_handler = exception_handler
-        self._stopped : Event = Event()
+        self._stopped: Event = Event()
         self._update_send_stream, self._update_receive_stream = create_memory_object_stream(
-                max_buffer_size=0
+            max_buffer_size=0
         )
-        self._task_group : TaskGroup | None = None
+        self._task_group: TaskGroup | None = None
         self._started: Event | None = None
         self.__start_lock: Lock | None = None
         self._subscription: Subscription | None = None